Table 1
Best-fit positions and extensions (1 GeV–3 TeV) of G150.3+4.5 (r68 being the 68% containment radius) with the associated statistical errors, using a 2D symmetric Gaussian and a uniform disk model.
| RAJ2000 (°) | DecJ2000 (°) | σ or r (°) | r68 (°) | TS | TSext | Ndof | |
|---|---|---|---|---|---|---|---|
| Gaussian | 66.425 ± 0.060 | 55.371 ± 0.056 | 0.900 |
1.359 |
624.2 | 549.8 | 6 |
| Disk | 66.555 ± 0.172 | 55.314 ± 0.150 | 1.497 |
1.235 |
595.0 | 520.7 | 6 |
| Urumqi 6 cm map | – | – | – | – | 361.7 | 287.3 | 3 |
Notes. The TS values and the number of degrees of freedom (Ndof) are given with respect to the null hypothesis (no emission from G150.3+4.5). The result using the Urumqi 6 cm map of the SNR, represented by the yellow contours in Fig. 2, is also given.
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